How can the turbidity and subsequent precipitation be avoided in a mosquito bite treatment gel prepared by dissolving lidocaine in water and propylene glycol, and hydrocortisone acetate and diphenhydramine HCl in rubbing alcohol, before combining the two solutions, stirring in hydroxyethyl cellulose (HEC) gel, and adding water to the final volume?

What is the composition for a loratadine syrup, given that it is currently in stock and available through Febelco, as a solution for the unavailability of desloratadine syrups such as Aerius and its generics?

What is the composition of Vitamin B complex NF V, specifically within a prescription for Vitamin B complex NF 5 (185 mg), Vitamin C (185 mg), methionine and cystine (25 mg each), Vitamin E and cystine (25 mg each), and biotin (1 mg), and why is cystine listed twice, meaning should 50 mg of cystine be included per capsule?

Is there a loco formula available for Xyloproct ointment, as I am receiving requests for it from the Netherlands and it is no longer in stock?

Is it possible to replace 500 mg of calcium phosphate with sodium monohydrogen phosphate dihydrate to achieve the same amount of phosphate for a patient with a phosphorus deficiency, given that calcium phosphate is only available as a technical raw material and Calisvit is currently unavailable, and if so, what quantity of sodium monohydrogen phosphate dihydrate is required?

Why is anhydrous citric acid added to methadone syrup (formula: 100 mg methadone HCl, 100 mg anhydrous citric acid, 100 mg banana aroma, 10 g glycerol, 40 g sugar syrup, and preserved water up to 112 g or 100 ml), and is a methadone solution in preserved water equally stable?

What are the stability problems of a solution containing 3 grams of Phenobarbital sodium and purified water up to 300 cc?